ITrendStorageAccessReadOperator (ITF)ΒΆ
INTERFACE ITrendStorageAccessReadOperator EXTENDS __SYSTEM.IQueryInterface
This interface is implemented by function blocks, that provide functionality for the method Read of function block TrendFbTrendStorageAccess. Is contains a set of callback methods.
Methods:
Structure:
- AfterReadingData (Method)
- AfterReadingVariableValuesOfRow (Method)
- BeforeReadingData (Method)
- BeforeReadingVariableValuesOfRow (Method)
- DoContinueReading (Method)
- FinalizeReading (Method)
- FirstDataRowOfNewConfigurationReached (Method)
- InitializeReading (Method)
- IsVariableToRead (Method)
- ProcessPacketFlags (Method)
- ProcessTimestamp (Method)
- ProcessValue (Method)
- prvTblTrendConfigurationGetConfig
- ActivateMaxWarningRead (Method)
- ActivateMinWarningRead (Method)
- AfterReadingVariableConfiguration (Method)
- BeforeReadingVariableConfiguration (Method)
- ColIDRead (Method)
- DescriptionTextIDRead (Method)
- DisplayVariableNameRead (Method)
- GraphColorRead (Method)
- GraphTypeRead (Method)
- LineStyleRead (Method)
- LineWidthRead (Method)
- MaxWarningColorRead (Method)
- MaxWarningThresholdRead (Method)
- MinWarningColorRead (Method)
- MinWarningThresholdRead (Method)
- VariableNameRead (Method)
- VariableTypeRead (Method)
- prvTblTrendConfigurationGetDiagramConfig